650530666004 has 12 divisors (see below), whose sum is σ = 1169197008084. Its totient is φ = 316474377984.

The previous prime is 650530665959. The next prime is 650530666013. The reversal of 650530666004 is 400666035056.

It is a happy number.

650530666004 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 617261635600 + 33269030404 = 785660^2 + 182398^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2197738589 + ... + 2197738884.

It is an arithmetic number, because the mean of its divisors is an integer number (97433084007).

Almost surely, 2^650530666004 is an apocalyptic number.

It is an amenable number.

650530666004 is a deficient number, since it is larger than the sum of its proper divisors (518666342080).

650530666004 is a wasteful number, since it uses less digits than its factorization.

650530666004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4395477514 (or 4395477512 counting only the distinct ones).

The product of its (nonzero) digits is 388800, while the sum is 41.

The spelling of 650530666004 in words is "six hundred fifty billion, five hundred thirty million, six hundred sixty-six thousand, four".